value	unc_up	unc_lo	author	ref	method
12.40	1.060	1.060	Usui	2011PASJ...63.1117U	NEATM
12.54	0.488	0.488	Masiero	2011ApJ...741...68M	NEATM
12.80	2.560	2.560	Ali-Lagoa	2018A&A...612A..85A	NEATM